(n.) The exterior curve of an arch; especially, the upper curved face of the whole body of voussoirs. See Intrados.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). extrados. Retrieved September 21, 2026, from http://smartdefine.org/extrados/definitions/2006436 |
| Chicago | Webster's. 2011. "extrados" http://smartdefine.org/extrados/definitions/2006436 (accessed September 21, 2026). |
| Harvard | Webster's 2011, extrados, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/extrados/definitions/2006436>. |
| MLA | Webster's. "extrados" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/extrados/definitions/2006436> |